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【多选题】
下列哪些选项为历代陪都的设置的原因:A.
都城偏居边地，不利统治者管辖全境，有必要在位置适中的地方建置陪都，加强对全国的控制。如西周的洛阳。
B.
政权兴起于边疆地区，建都在边区，后来该政权强大，入主中原，为了便于控制全国而迁都内地，之后将改为陪都。如清之，开平府。
C.
都城别为全国政治军事的中心，但随着经济文化中心的转移，在接近经济文化中心且交通便利的地方营建陪都。如隋唐时的洛阳。
D.
皇帝或政府因巡幸或躲避战乱临时住过的地方。如唐朝的南京成都，清朝的承德和民国的重庆等。
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举一反三
【单选题】It took the fire-fighters many hours to _____ the big fire in Shanghai several months ago. [ ]
A.
put out
B.
work out
C.
pick out
D.
give out
【单选题】Once the fire fighters had come to George’s rescue_____________.
A.
George had his arm greased and was able to get it out of the drain
B.
George took his fire fighters and got some chocolate at the sweet shop
C.
the lady who had failed to rescue George gave him a box of chocolates
D.
George was rewarded by the owner of the sweet shop for his trouble
【单选题】The fire _______ before the fire-fighters arrived．
A.
has been put out
B.
was put out
C.
had put out
D.
had been put out
【单选题】Because the fire fighters arrived in time, people in the building ______ to escape the big fire.
A.
managed
B.
hesitated
C.
succeeded
D.
meant
【单选题】What had probably caused such high casualties in the big fire?
A.
No fire-fighters.
B.
No water.
C.
Explosions.
D.
Overcrowding of habitants.
【单选题】By the time the fire-fighters arrived, the fire had been put＿＿＿by the teachers and the students.
A.
down
B.
away
C.
out
D.
off
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